The calculated distance (air line) between Yueyang and Yunmeng Chengguanzhen is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Yunmeng Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Yueyang and Yunmeng Chengguanzhen has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles